Updated: June 9, 2023

Fleas are tiny, blood-sucking insects that can be found in almost every corner of the world. They are commonly found on pets such as dogs and cats, but they can also infest humans. Fleas are known for their ability to reproduce quickly, and a single flea can lay hundreds of eggs in a short period of time. This is why it is important to be aware of the common signs of a flea infestation. In this article, we will discuss these signs in detail.

Flea Bites

One of the most common signs of a flea infestation is flea bites. Flea bites are small, red bumps that are usually found on the ankles, legs, and feet. They are extremely itchy and can be very uncomfortable. Flea bites can also cause allergic reactions in some people, which can lead to more severe symptoms such as swelling and difficulty breathing.

If you suspect that you have been bitten by fleas, it is important to take action immediately. You should wash the affected area with soap and water and apply an anti-itch cream or ointment. If the symptoms persist or worsen, you should seek medical attention.

Pet Scratching

If you have pets such as dogs or cats, one of the most obvious signs of a flea infestation is excessive scratching. Pets that have fleas will often scratch themselves excessively, particularly around their necks, heads, and tails. They may also lick or bite at their skin.

If you notice that your pet is scratching more than usual, it is important to examine them for fleas. You can do this by using a fine-toothed comb to brush through their fur, paying particular attention to their belly and hindquarters. If you find fleas or flea dirt (small black specks), it is important to take action immediately.

Flea Dirt

Flea dirt is a tell-tale sign of a flea infestation. Flea dirt looks like small black specks and is actually flea feces. It is often found on pets, particularly around their hindquarters and belly. Flea dirt can also be found in the bedding of pets, as well as on carpets and other soft furnishings.

To determine if the black specks are flea dirt, you can perform a simple test. Place a white piece of paper or cloth on the floor and brush your pet’s fur over it. If the black specks fall onto the paper or cloth and turn red when wet, this is a clear indication of flea dirt.

Visible Fleas

If you have a severe flea infestation, you may be able to see the fleas themselves. Fleas are small, brown insects that are about 2-3mm in length. They are very fast and can leap up to 150 times their body length.

If you do see fleas on your pet or in your home, it is important to take action immediately. You can use flea treatments such as sprays, powders, and shampoos to kill the fleas. It is also important to vacuum your home thoroughly and wash all bedding and soft furnishings.


Flea infestations can be extremely uncomfortable for both pets and humans. It is important to be aware of the common signs of a flea infestation so that you can take action quickly. If you suspect that you have a flea infestation, it is important to seek professional help from a pest control expert.

Prevention is always better than cure when it comes to fleas. You should regularly treat your pets with flea preventatives, vacuum your home thoroughly, and wash all bedding and soft furnishings regularly. By taking these precautions, you can help to prevent a flea infestation from occurring in the first place.